Phililps Pan Sheet Metal Screws 18-8 Stainless Steel

Phililps Pan Sheet Metal Screws 18-8 Stainless Steel


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Phililps Pan Sheet Metal Screws 18-8 Stainless Steel

Sheet metal screws or tapping screws are designed to bind sheet metal to wood and sometimes fiberglass. Manufactured with a sharper, more pronounced thread that allows the screw to better tap or penetrate metal surfaces.

Phililps Pan Sheet Metal Screws 18-8 Stainless Steel
Phillips Pan Sheet Metal Screws 18-8 Stainless Steel
Nominal
Size
Head Diameter Height of Head Dimensions of Recess Phillips
Driver
Size
Recessed Diameter Depth Width
Max. Min. Max. Min. Max. Min. Max. Min.
2 .167 .155 .062 .053 .104 .091 .059 .017 1
3 .193 .180 .071 .062 .112 .099 .068 .019 1
4 .219 .205 .080 .070 .122 .109 .078 .019 1
5 .245 .231 .089 .079 .158 .145 .083 .028 2
6 .270 .256 .097 .087 .166 .153 .091 .028 2
7 .296 .281 .106 .096 .176 .163 .100 .029 2
8 .322 .306 .115 .105 .182 .169 .108 .030 2
10 .373 .357 .133 .122 .199 .186 .124 .031 2
12 .425 .407 .151 .139 .259 .246 .141 .034 3
14 .476 .457 .169 .156 .281 .268 .148 .036 3
1/4 .492 .473 .175 .162 .281 .268 .161 .036 3
5/16 .615 .594 .218 .203 .350 .337 .193 .059 4
3/8 .740 .716 .261 .244 .389 .376 .233 .065 4
Type AB Threads for Self Tapping/Sheet Metal Screws
Diameter Threads
Per Inch
Major Diameter Minor Diameter Minimum Practical
Screw Length
Max. Min. Max. Min. 90o Heads Countersunk
Heads
2 .0860 32 .088 .082 .064 .060 3/16 7/32
3 .0990 28 .101 .095 .075 .071 3/16 1/4
4 .1120 24 .114 .108 .086 .082 7/32 9/32
5 .1250 20 .130 .123 .094 .090 1/4 5/16
6 .1380 20 .139 .132 .104 .099 9/32 11/32
7 .1510 19 .154 .147 .115 .109 5/16 3/8
8 .1640 18 .166 .159 .122 .116 5/16 3/8
10 .1900 16 .189 .182 .141 .135 3/8 7/16
12 .2160 14 .215 .208 .164 .157 7/16 21/32
1/4 .2500 14 .246 .237 .192 .185 1/2 19/32